Home / 86,256.78-119,034.14-48,531.02

Finding the Fourth Proportional to 86,256.78, 119,034.14 and 48,531.02

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Solution

The fourth proportional to 86,256.78, 119,034.14 and 48,531.02 is: 66,972.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,256.78 : 119,034.14 = 48,531.02 : x
  2. Step 2: Convert to fraction form
    86,256.78/119,034.14 = 48,531.02/x
  3. Step 3: Cross multiply
    86,256.78x = 119,034.14 × 48,531.02
  4. Step 4: Simplify right side
    86,256.78x = 5,776,848,229.02
  5. Step 5: Solve for x
    x = 5,776,848,229.02/86,256.78
  6. Step 6: Final answer
    x = 66,972.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.